Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Arsenic trisulfide, As2S3, a yellow mineral used as a pigment.
from The Century Dictionary.
- noun Arsenic trisulphid, As2S3.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) Arsenic sesquisulphide, produced artificially as an amorphous lemon-yellow powder, and occurring naturally as a yellow crystalline mineral; -- formerly called
auripigment . It is used in king's yellow, in white Indian fire, and in certain technical processes, as indigo printing. - noun realgar; the red sulphide of arsenic.
- noun king's yellow.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun
arsenic trisulphide , occurring naturally in crystals or massive deposits, formerly used as adye orpigment
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a yellow mineral occurring in conjunction with realgar; an ore of arsenic
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Even so, the words do not agitate the meth-addled hamsters that operate my mental machinery to the extent that 'orpiment' does.
Sadly, No! 2008
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Several other, less-common minerals contain arsenic, including orpiment, realgar, and enargite, which are arsenic sulfides.
Arsenic 2009
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The name arsenic comes from the Greek word arsenikon, which means orpiment.
Arsenic 2009
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It is believed that he heated soap and orpiment together and isolated elemental arsenic.
Arsenic 2009
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Zirník or orpiment, 3 parts: it is applied in the Hammam to a perspiring skin, and it must be washed off immediately the hair is loosened or it burns and discolours.
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Purity, however, was only a goal in the case of pigments made of potentially dangerous materials: If sulfur could not be removed from orpiment, or copper from verdigris, purification might at least render them less harmful.
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This was possible by altering the coloring material through the addition of orpiment, which slowed reaction time.
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"Pencil blue" was made by heating finely ground indigo with orpiment and potash.
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King's yellow is a pure orpiment, or arsenic coloured with sulphur ...
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As for the mineral colors, sulfur is an essential ingredient of such colors as orpiment and cinnabar, and it can never be removed.
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Some pigments must be handled with care, including the yellow-hued orpiment and the red-orange realgar, which are derived from arsenic sulfide minerals.
Text of J.K. Rowling’s speech Colleen Walsh Harvard Staff Writer DateSeptember 17, 2015January 5, 2018 2018
fbharjo commented on the word orpiment
orpiment golden pigment: or-pi(g)ment: orp also has a conatation of the arsenic it contains
January 14, 2007
chained_bear commented on the word orpiment
"Jack was speaking to the gunner at the time, explaining that the private powder in the kegs marked X was mixed with red orpiment, and XX with antimony or copper, while still others had lycoperdium or camphor or strontium..."
--Patrick O'Brian, The Ionian Mission, 50
February 11, 2008
chained_bear commented on the word orpiment
Another usage:
"The brilliant white of camphor, the green of brass filings, a rosy pink, a most uncommon violet derived from orpiment, and so it went at perfectly regular intervals... to the final prodigious blast from the aftermost carronade, crammed with a deafening, blinding mixture of pedok, datang and colophony."
--Patrick O'Brian, The Thirteen Gun Salute, 211
March 4, 2008